[System.Security.SecuritySafeCritical]  // auto-generated
 public RNGCryptoServiceProvider(CspParameters cspParams) {
     if (cspParams != null) {
         m_safeProvHandle = Utils.AcquireProvHandle(cspParams);
         m_ownsHandle = true;
     }
     else {
         m_safeProvHandle = Utils.StaticProvHandle;
         m_ownsHandle = false;
     }
 }
 public RNGCryptoServiceProvider(CspParameters cspParams)
 {
     if (cspParams != null)
     {
         this.m_safeProvHandle = Utils.AcquireProvHandle(cspParams);
         this.m_ownsHandle     = true;
         return;
     }
     this.m_safeProvHandle = Utils.StaticProvHandle;
     this.m_ownsHandle     = false;
 }
Exemple #3
0
        [System.Security.SecurityCritical]  // auto-generated
        internal CryptoAPITransform(int algid, int cArgs, int[] rgArgIds,
                                    Object[] rgArgValues, byte[] rgbKey, PaddingMode padding,
                                    CipherMode cipherChainingMode, int blockSize,
                                    int feedbackSize, bool useSalt,
                                    CryptoAPITransformMode encDecMode)
        {
            int dwValue;

            byte[] rgbValue;

            BlockSizeValue   = blockSize;
            ModeValue        = cipherChainingMode;
            PaddingValue     = padding;
            encryptOrDecrypt = encDecMode;

            // Copy the input args
            int _cArgs = cArgs;

            int[] _rgArgIds = new int[rgArgIds.Length];
            Array.Copy(rgArgIds, _rgArgIds, rgArgIds.Length);
            _rgbKey = new byte[rgbKey.Length];
            Array.Copy(rgbKey, _rgbKey, rgbKey.Length);
            Object[] _rgArgValues = new Object[rgArgValues.Length];
            // an element of rgArgValues can only be an int or a byte[]
            for (int j = 0; j < rgArgValues.Length; j++)
            {
                if (rgArgValues[j] is byte[])
                {
                    byte[] rgbOrig = (byte[])rgArgValues[j];
                    byte[] rgbNew  = new byte[rgbOrig.Length];
                    Array.Copy(rgbOrig, rgbNew, rgbOrig.Length);
                    _rgArgValues[j] = rgbNew;
                    continue;
                }
                if (rgArgValues[j] is int)
                {
                    _rgArgValues[j] = (int)rgArgValues[j];
                    continue;
                }
                if (rgArgValues[j] is CipherMode)
                {
                    _rgArgValues[j] = (int)rgArgValues[j];
                    continue;
                }
            }

            _safeProvHandle = Utils.AcquireProvHandle(new CspParameters(Utils.DefaultRsaProviderType));

            SafeKeyHandle safeKeyHandle = SafeKeyHandle.InvalidHandle;

            // _ImportBulkKey will check for failures and throw an exception
            Utils._ImportBulkKey(_safeProvHandle, algid, useSalt, _rgbKey, ref safeKeyHandle);
            _safeKeyHandle = safeKeyHandle;

            for (int i = 0; i < cArgs; i++)
            {
                switch (rgArgIds[i])
                {
                case Constants.KP_IV:
                    IVValue  = (byte[])_rgArgValues[i];
                    rgbValue = IVValue;
                    Utils.SetKeyParamRgb(_safeKeyHandle, _rgArgIds[i], rgbValue, rgbValue.Length);
                    break;

                case Constants.KP_MODE:
                    ModeValue = (CipherMode)_rgArgValues[i];
                    dwValue   = (Int32)_rgArgValues[i];
SetAsDWord:
                    Utils.SetKeyParamDw(_safeKeyHandle, _rgArgIds[i], dwValue);
                    break;

                case Constants.KP_MODE_BITS:
                    dwValue = (Int32)_rgArgValues[i];
                    goto SetAsDWord;

                case Constants.KP_EFFECTIVE_KEYLEN:
                    dwValue = (Int32)_rgArgValues[i];
                    goto SetAsDWord;

                default:
                    throw new CryptographicException(Environment.GetResourceString("Cryptography_InvalidKeyParameter"), "_rgArgIds[i]");
                }
            }
        }
Exemple #4
0
        internal CryptoAPITransform(int algid, int cArgs, int[] rgArgIds, object[] rgArgValues, byte[] rgbKey, PaddingMode padding, CipherMode cipherChainingMode, int blockSize, int feedbackSize, bool useSalt, CryptoAPITransformMode encDecMode)
        {
            this.BlockSizeValue   = blockSize;
            this.ModeValue        = cipherChainingMode;
            this.PaddingValue     = padding;
            this.encryptOrDecrypt = encDecMode;
            int[] numArray1 = new int[rgArgIds.Length];
            Array.Copy((Array)rgArgIds, (Array)numArray1, rgArgIds.Length);
            this._rgbKey = new byte[rgbKey.Length];
            Array.Copy((Array)rgbKey, (Array)this._rgbKey, rgbKey.Length);
            object[] objArray = new object[rgArgValues.Length];
            for (int index = 0; index < rgArgValues.Length; ++index)
            {
                if (rgArgValues[index] is byte[])
                {
                    byte[] numArray2 = (byte[])rgArgValues[index];
                    byte[] numArray3 = new byte[numArray2.Length];
                    Array.Copy((Array)numArray2, (Array)numArray3, numArray2.Length);
                    objArray[index] = (object)numArray3;
                }
                else if (rgArgValues[index] is int)
                {
                    objArray[index] = (object)(int)rgArgValues[index];
                }
                else if (rgArgValues[index] is CipherMode)
                {
                    objArray[index] = (object)(int)rgArgValues[index];
                }
            }
            this._safeProvHandle = Utils.AcquireProvHandle(new CspParameters(24));
            SafeKeyHandle invalidHandle = SafeKeyHandle.InvalidHandle;

            Utils._ImportBulkKey(this._safeProvHandle, algid, useSalt, this._rgbKey, ref invalidHandle);
            this._safeKeyHandle = invalidHandle;
            for (int index = 0; index < cArgs; ++index)
            {
                int dwValue;
                switch (rgArgIds[index])
                {
                case 1:
                    this.IVValue = (byte[])objArray[index];
                    byte[]        numArray2 = this.IVValue;
                    SafeKeyHandle hKey      = this._safeKeyHandle;
                    int           num       = numArray1[index];
                    byte[]        numArray3 = numArray2;
                    int           length    = numArray3.Length;
                    Utils.SetKeyParamRgb(hKey, num, numArray3, length);
                    continue;

                case 4:
                    this.ModeValue = (CipherMode)objArray[index];
                    dwValue        = (int)objArray[index];
                    break;

                case 5:
                    dwValue = (int)objArray[index];
                    break;

                case 19:
                    dwValue = (int)objArray[index];
                    break;

                default:
                    throw new CryptographicException(Environment.GetResourceString("Cryptography_InvalidKeyParameter"), "_rgArgIds[i]");
                }
                Utils.SetKeyParamDw(this._safeKeyHandle, numArray1[index], dwValue);
            }
        }
        internal CryptoAPITransform(int algid, int cArgs, int[] rgArgIds, object[] rgArgValues, byte[] rgbKey, PaddingMode padding, CipherMode cipherChainingMode, int blockSize, int feedbackSize, bool useSalt, CryptoAPITransformMode encDecMode)
        {
            this.BlockSizeValue   = blockSize;
            this.ModeValue        = cipherChainingMode;
            this.PaddingValue     = padding;
            this.encryptOrDecrypt = encDecMode;
            int[] array = new int[rgArgIds.Length];
            Array.Copy(rgArgIds, array, rgArgIds.Length);
            this._rgbKey = new byte[rgbKey.Length];
            Array.Copy(rgbKey, this._rgbKey, rgbKey.Length);
            object[] array2 = new object[rgArgValues.Length];
            for (int i = 0; i < rgArgValues.Length; i++)
            {
                if (rgArgValues[i] is byte[])
                {
                    byte[] array3 = (byte[])rgArgValues[i];
                    byte[] array4 = new byte[array3.Length];
                    Array.Copy(array3, array4, array3.Length);
                    array2[i] = array4;
                }
                else if (rgArgValues[i] is int)
                {
                    array2[i] = (int)rgArgValues[i];
                }
                else if (rgArgValues[i] is CipherMode)
                {
                    array2[i] = (int)rgArgValues[i];
                }
            }
            this._safeProvHandle = Utils.AcquireProvHandle(new CspParameters(24));
            SafeKeyHandle invalidHandle = SafeKeyHandle.InvalidHandle;

            Utils._ImportBulkKey(this._safeProvHandle, algid, useSalt, this._rgbKey, ref invalidHandle);
            this._safeKeyHandle = invalidHandle;
            int j = 0;

            while (j < cArgs)
            {
                int num = rgArgIds[j];
                int dwValue;
                switch (num)
                {
                case 1:
                {
                    this.IVValue = (byte[])array2[j];
                    byte[] ivvalue = this.IVValue;
                    Utils.SetKeyParamRgb(this._safeKeyHandle, array[j], ivvalue, ivvalue.Length);
                    break;
                }

                case 2:
                case 3:
                    goto IL_1D7;

                case 4:
                    this.ModeValue = (CipherMode)array2[j];
                    dwValue        = (int)array2[j];
                    goto IL_1AB;

                case 5:
                    dwValue = (int)array2[j];
                    goto IL_1AB;

                default:
                    if (num != 19)
                    {
                        goto IL_1D7;
                    }
                    dwValue = (int)array2[j];
                    goto IL_1AB;
                }
IL_1EC:
                j++;
                continue;
IL_1AB:
                Utils.SetKeyParamDw(this._safeKeyHandle, array[j], dwValue);
                goto IL_1EC;
IL_1D7:
                throw new CryptographicException(Environment.GetResourceString("Cryptography_InvalidKeyParameter"), "_rgArgIds[i]");
            }
        }
        internal CryptoAPITransform(int algid, int cArgs, int[] rgArgIds, object[] rgArgValues, byte[] rgbKey, PaddingMode padding, CipherMode cipherChainingMode, int blockSize, int feedbackSize, bool useSalt, CryptoAPITransformMode encDecMode)
        {
            this.BlockSizeValue   = blockSize;
            this.ModeValue        = cipherChainingMode;
            this.PaddingValue     = padding;
            this.encryptOrDecrypt = encDecMode;
            int[] destinationArray = new int[rgArgIds.Length];
            Array.Copy(rgArgIds, destinationArray, rgArgIds.Length);
            this._rgbKey = new byte[rgbKey.Length];
            Array.Copy(rgbKey, this._rgbKey, rgbKey.Length);
            object[] objArray = new object[rgArgValues.Length];
            for (int i = 0; i < rgArgValues.Length; i++)
            {
                if (rgArgValues[i] is byte[])
                {
                    byte[] sourceArray = (byte[])rgArgValues[i];
                    byte[] buffer3     = new byte[sourceArray.Length];
                    Array.Copy(sourceArray, buffer3, sourceArray.Length);
                    objArray[i] = buffer3;
                }
                else if (rgArgValues[i] is int)
                {
                    objArray[i] = (int)rgArgValues[i];
                }
                else if (rgArgValues[i] is CipherMode)
                {
                    objArray[i] = (int)rgArgValues[i];
                }
            }
            this._safeProvHandle = Utils.AcquireProvHandle(new CspParameters(Utils.DefaultRsaProviderType));
            SafeKeyHandle invalidHandle = SafeKeyHandle.InvalidHandle;

            Utils._ImportBulkKey(this._safeProvHandle, algid, useSalt, this._rgbKey, ref invalidHandle);
            this._safeKeyHandle = invalidHandle;
            for (int j = 0; j < cArgs; j++)
            {
                int num;
                switch (rgArgIds[j])
                {
                case 1:
                {
                    this.IVValue = (byte[])objArray[j];
                    byte[] iVValue = this.IVValue;
                    Utils.SetKeyParamRgb(this._safeKeyHandle, destinationArray[j], iVValue, iVValue.Length);
                    continue;
                }

                case 4:
                    this.ModeValue = (CipherMode)objArray[j];
                    num            = (int)objArray[j];
                    break;

                case 5:
                    num = (int)objArray[j];
                    break;

                case 0x13:
                    num = (int)objArray[j];
                    break;

                default:
                    throw new CryptographicException(Environment.GetResourceString("Cryptography_InvalidKeyParameter"), "_rgArgIds[i]");
                }
                Utils.SetKeyParamDw(this._safeKeyHandle, destinationArray[j], num);
            }
        }